可以向串口发送数据，或从指定串口接收数据。数据可以是字符串或十六进制数据。-can send data to the serial port, serial port or from the designated receiving data. Data can be a string or hexadecimal data.

可以向串口发送数据，或从指定串口接收数据。数据可以是字符串或十六进制数据。-can send data to the serial port, serial port or from the designated receiving data. Data can be a string or hexadecimal data.